FR983290A - Air conditioning device for work helmets - Google Patents

Air conditioning device for work helmets

Info

Publication number
FR983290A
FR983290A FR983290DA FR983290A FR 983290 A FR983290 A FR 983290A FR 983290D A FR983290D A FR 983290DA FR 983290 A FR983290 A FR 983290A
Authority
FR
France
Prior art keywords
air conditioning
conditioning device
work helmets
helmets
work
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Materiel Aeromecanique Soc D E
Original Assignee
Materiel Aeromecanique Soc D E
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Materiel Aeromecanique Soc D E filed Critical Materiel Aeromecanique Soc D E
Application granted granted Critical
Publication of FR983290A publication Critical patent/FR983290A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR983290D 1949-03-17 1949-03-17 Air conditioning device for work helmets Expired FR983290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR983290T 1949-03-17

Publications (1)

Publication Number Publication Date
FR983290A true FR983290A (en) 1951-06-21

Family

ID=9535942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR983290D Expired FR983290A (en) 1949-03-17 1949-03-17 Air conditioning device for work helmets

Country Status (1)

Country Link
FR (1) FR983290A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815458A (en) * 1986-07-28 1989-03-28 Peter Sing Protective breathing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4815458A (en) * 1986-07-28 1989-03-28 Peter Sing Protective breathing apparatus

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